For all help and discussion relating to visual effects in programs that are not already covered in an existing forum, such as Blender, Particle Illusion, etc., along with discussion about effects theories and techniques.

There are multiple ways, but I'd go for three layers. Mask the eye in layer 1 and make it transparent. Copy that in layer 2 and change it to a negative mask without transparency. Then add the fighting in the third layer.

There are multiple ways, but I'd go for three layers. Mask the eye in layer 1 and make it transparent. Copy that in layer 2 and change it to a negative mask without transparency. Then add the fighting in the third layer.